Retail Exclusive: Lange & Söhne’s new limited edition 1815 Tourbillon watch is high on tech and yet a classic Updated : July 20, 2018 03:51 PM IST There are merely 100 pieces of the limited edition 1815 Tourbillon with Enamel Dial. The dial is encased in a 39.5m platinum case. Lange’s watchmakers put the timepiece through 30 manual processes to craft each dial. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.